/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.gifencoder;

import java.io.IOException;
import java.io.OutputStream;

final class Streams {
  private Streams() {
  }

  static void writeShort(OutputStream outputStream, int n) throws IOException {
    // Little-endian encoded.
    outputStream.write(n);
    outputStream.write(n >>> 8);
  }

  static void writeRgb(OutputStream outputStream, int rgb) throws IOException {
    outputStream.write(rgb >>> 16); // r
    outputStream.write(rgb >>> 8); // g
    outputStream.write(rgb); // b
  }

  static void writeAsciiString(OutputStream outputStream, String string) throws IOException {
    for (char character : string.toCharArray()) {
      outputStream.write(character);
    }
  }
}
